import java.net.*;
import java.util.ArrayList;
import java.util.List;


class X extends Thread implements Runnable{
	public static void main(String[] args) {
Thread t=new Thread(new X());
t.start();
System.out.println("this is run end");
	}
	
	public void run()
	{
		System.out.println("this is run");
	}
}